// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build goexperiment.arenas

/*
The arena package provides the ability to allocate memory for a collection
of Go values and free that space manually all at once, safely. The purpose
of this functionality is to improve efficiency: manually freeing memory

	// All times are rounded to avoid showing milli, micro and nano seconds
	formatStartTime := time.Now().Round(time.Second)
	getElapsedTime := func() string {
		return time.Now().Round(time.Second).Sub(formatStartTime).String()
	}

	var (
		tries   int
		verbose bool
	)

		if v := d.find(want[:idx]); v != nil {
			_, ok := v.Children[want]
			if ok {
				found := hashPath(want[:idx])
				return &found
			}
		}
	}
	for k, v := range d.Cache {
		_, ok := v.Children[want]
		if ok {
			found := dataUsageHash(k)
			return &found
		}
	}
	return nil
}

// deleteRecursive will delete an entry recursively, but not change its parent.

          Set<Type> combined = new LinkedHashSet<>(asList(upperBounds));
          // Since this is an artificially generated type variable, we don't bother checking
          // subtyping between declared type bound and actual type bound. So it's possible that we
          // may generate something like <capture#1-of ? extends Foo&SubFoo>.
          // Checking subtype between declared and actual type bounds

	iptVer, err := ext.DetectIptablesVersion(false)
	if err != nil {
		return nil, err
	}

	log.Debugf("found iptables binary: %+v", iptVer)

	configurator.iptV = iptVer

	ipt6Ver, err := ext.DetectIptablesVersion(true)
	if err != nil {
		return nil, err
	}

	log.Debugf("found iptables v6 binary: %+v", iptVer)

	configurator.ipt6V = ipt6Ver

	return configurator, nil
}

    private static final String CHECK_UPPER_BOUND = "check upper bound";

    private static final String CHECK_UPPER_BOUND_INCLUSIVE = "check upper bound is inclusive";

    private static final String CHECK_LOWER_BOUND = "check lower bound";

    private static final String CHECK_LOWER_BOUND_INCLUSIVE = "check lower bound is inclusive";

     * comment: Search Engine
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getSearchEngineType();

    /**
     * Get the value for the key 'search_engine.http.url'. <br>
     * The value is, e.g. http://localhost:9201 <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */

      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.EXCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.INCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.INCLUSIVE, Bound.INCLUSIVE));
    }

    SortedSet<E> createSubSet(SortedSet<E> set, E firstExclusive, E lastExclusive) {
      if (from == Bound.NO_BOUND && to == Bound.EXCLUSIVE) {
        return set.headSet(lastExclusive);
      } else if (from == Bound.INCLUSIVE && to == Bound.NO_BOUND) {
        return set.tailSet(firstInclusive);
      } else if (from == Bound.INCLUSIVE && to == Bound.EXCLUSIVE) {
        return set.subSet(firstInclusive, lastExclusive);
      } else {

      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.EXCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.INCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.INCLUSIVE, Bound.INCLUSIVE));
    }